QuickFacts

The population of Philadelphia city, Pennsylvania is

1,567,442

Median household income of San Diego County, California is

$64,309

The population of New York is

19,745,289

Median household income of Florida is

$47,507

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in San Diego County, California is

735.8

21.6%

of persons in New York city, New York are under 18 years

17.3%

of persons in Florida are 65 years and over

10.3%

of persons in Chicago city, Illinois are 65 years and over

Population per square mile in Texas is

96.3

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census